diff -u -r ../p7zip_15.14.1/makefile.android_arm ./makefile.android_arm
--- ../p7zip_15.14.1/makefile.android_arm	2016-03-10 15:33:59.000000000 -0500
+++ ./makefile.android_arm	2016-05-03 23:15:52.868840453 -0400
@@ -1,41 +1,29 @@
 #
-# makefile for ANDROID (generic ARM)
+# makefile for ANDROID with Termux
 #
 # export NDK=<ndk_home>
 # tested with android-ndk-r8c-linux-x86
 #
 
-ANDROID_NDK_HOME=$(NDK)
-ANDROID_NDK_BIN=$(ANDROID_NDK_HOME)/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86/bin
-
-# -fpic -Os
-# -fstack-protector 
 ANDROID_FLAGS=\
   -MMD -MP -MF \
   -fpic -ffunction-sections -funwind-tables -fstack-protector \
-  -D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__ \
-  -march=armv5te -mtune=xscale -msoft-float -mthumb -fomit-frame-pointer -fno-strict-aliasing -finline-limit=64 \
-  -I$(ANDROID_NDK_HOME)/sources/cxx-stl/system/include \
-  -I$(ANDROID_NDK_HOME)/platforms/android-3/arch-arm/usr/include \
+  -fomit-frame-pointer -fno-strict-aliasing -finline-limit=64 \
   -DANDROID -DANDROID_NDK -DNDEBUG \
 
 ANDROID_LINK= \
   -Wl,--gc-sections -Wl,-z,nocopyreloc \
-  --sysroot=$(NDK)/platforms/android-3/arch-arm \
   -Wl,--no-undefined -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now \
-  -L$(NDK)/platforms/android-3/arch-arm/usr/lib -lstdc++ \
-  $(NDK)/sources/cxx-stl/gnu-libstdc++/4.6/libs/armeabi/libsupc++.a \
   -lc -lm 
 
-OPTFLAGS=-O3 -s
+OPTFLAGS=-Os -s
 
 ALLFLAGS=${OPTFLAGS} -pipe \
 	-DNDEBUG -D_REENTRANT -DENV_UNIX \
 	$(ANDROID_FLAGS) \
 	$(LOCAL_FLAGS)
 
-CXX=$(ANDROID_NDK_BIN)/arm-linux-androideabi-g++ -fexceptions -frtti
-CC=$(ANDROID_NDK_BIN)/arm-linux-androideabi-gcc
+CXX+= -fexceptions -frtti
 CC_EXE= -fPIE
 LINK_EXE=-fPIE -pie  # -fPIE -pie : only for executable
 CC_SHARED= -fpic